/*
 * Copyright 2019 The Bazel Authors. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.idea.blaze.base.sync.aspects.strategy;

import com.google.idea.blaze.base.model.BlazeVersionData;
import com.intellij.openapi.extensions.ExtensionPointName;
import javax.annotation.Nullable;

/** Provides an aspect strategy for Starlark. */
public interface AspectStrategyProvider {

  ExtensionPointName<AspectStrategyProvider> EP_NAME =
      ExtensionPointName.create("com.google.idea.blaze.AspectStrategyProvider");

  /**
   * Returns the appropriate {@link AspectStrategy} for the given blaze version, or null if none are
   * found.
   */
  @Nullable
  AspectStrategy getStrategy(BlazeVersionData versionData);
}
